Neck and Shoulder Relaxer, Cervical Traction Device for TMJ Pain Relief and Cervical Spine Alignment, Chiropractic Pillow Neck Stretcher O-shape Navy Blue 8.6 X 8.3 X 5 Inch bee Length is just over 6"

Length is just over 6" to measure the depth of your hole

Included variants range from 1/4" to 1" in diameter

Adjuster Knob & External Hardware

CUSTOMIZE YOUR BOTTLES: They're perfect for bottling water

Neck and Shoulder Relaxer, Cervical Traction Device for TMJ Pain Relief and Cervical Spine Alignment, Chiropractic Pillow Neck Stretcher O-shape Navy Blue 8.6 X 8.3 X 5 Inch bee Length is just over 6"Neck and Shoulder Relaxer, Cervical Traction Device for TMJ Pain Relief and Cervical Spine Alignment, Chiropractic Pillow Neck Stretcher Home Use Cervical Neck Traction Device: Portable, Sturdy, Lightweight And ComfortableBoth Sides Are Available. Steep Side Towards Neck And Shoulder Suitable For Beginner. Gentle Sides Towards Neck And Shoulder Would Offer A Strong Traction. It Is Possible You Feel Uncomfortable At The Beginning Because Your Neck